This article has been expanded and enlarged by the *amazing detective work done by Rhoda Ui Chonaire in her article The Luther Legacy: homeopathy in Ireland in the 19th Century in the The Journal of the Irish Society of Homeopaths Anniversary Issue October 2010 pages 17 – 24. See also The Journal of the Irish Society of Homeopaths Volume 14, No: 2, Autumn 2012, The Luther Legacy 4: members of the 1845 Committee of the Irish Homeopathic Society.

Arthur Grattan Guinness was the *son of John Grattan Guinness, the youngest son of Arthur Guinness 1st, and Susana Hutton (who died in 1826). Arthur Grattan Guinness *married Amelia Henrietta D’Esterre in 1835 and had 8 children including Elizabeth Smyth Guinness – 1927 (for a further explanation of this complicated family see Rhoda Ui Chonaire’s well researched article The Luther Legacy: homeopathy in Ireland in the 19th Century in the The Journal of the Irish Society of Homeopaths Anniversary Issue October 2010 pages 17 – 24).